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Relevant bibliographies by topics / Photo-oxidation kinetics

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Academic literature on the topic 'Photo-oxidation kinetics'

Author: Grafiati

Published: 8 September 2021

Last updated: 29 July 2025

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Journal articles on the topic "Photo-oxidation kinetics"

1

Li, Yuanlin, Xiongmin Liu, Qiang Zhang, et al. "Characteristics and Kinetics of Rosin Pentaerythritol Ester via Oxidation Process under Ultraviolet Irradiation." Molecules 23, no. 11 (2018): 2816. http://dx.doi.org/10.3390/molecules23112816.

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A self-designed reaction device was used as a promising equipment to investigate the oxidation characteristics and kinetics of rosin pentaerythritol ester (RPE) under UV irradiation. Photo-oxidation kinetics and the initial quantum yield (Φ) of RPE were calculated. The initial oxidation product of the photo-oxidation reaction—peroxide was analyzed by iodimetry. The peroxide concentration is related to the light intensity (I) and the temperature (T), and the increasing T and I would destabilize the RPE by accelerating peroxide forming. Photo-oxidation of RPE follows the pseudo first-order react

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Feng, Cui Lan. "Study of Thiophene in Phthalocyanine Sensitized SnO₂ Photo Catalytic Oxidation’s Oil." Applied Mechanics and Materials 608-609 (October 2014): 985–90. http://dx.doi.org/10.4028/www.scientific.net/amm.608-609.985.

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Based on phthalocyanines --SnO2 as a photo catalyst, this paper uses the degrading difference of thiophene by various catalysts under ultraviolet and visible light irradiation conditions to compare the catalytic effects of the different phthalocyanine compounds --SnO2 photosensitive catalysts, and summarize the reasons and laws to influence the catalysts’ catalytic performance, and analyze the kinetic process of photocatalytic oxidation reaction, and initially discuss kinetics of photocatalytic oxidation reaction and its products.

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Wu, Wen Yan, Luo Chun Wang, Zhen Zhou, Ke Jia Liu, Xiao Hua Li, and You Cai Zhao. "Study on the Photo-Electro-Catalytic Oxidation of Methane." Advanced Materials Research 864-867 (December 2013): 1421–26. http://dx.doi.org/10.4028/www.scientific.net/amr.864-867.1421.

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Emission control of methane from landfills has received considerable attentions in recent years. Photo-electro-catalytic oxidation of methane was carried out at the mode of continuous electrolysis and intermittent illumination with TiO2-coated titanium mesh plate as pholocatalyst and electrode in combination with ionic liquid as electrolyte under UV light irradiation. The result showed that the rapid conversion of methane was achieved under ambient pressure and temperature through photocatalytic oxidation combining with electrolysis. Under the mode of intermittent illumination (on:off = 10 min

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Vijayakumar, S., C. B. Ramya, Avinash Kumar, and B. Rajakumar. "Kinetic investigations of Cl atom initiated photo-oxidation reactions of cyclic unsaturated hydrocarbons in the gas phase: an experimental and theoretical study." New Journal of Chemistry 41, no. 15 (2017): 7491–505. http://dx.doi.org/10.1039/c7nj01721a.

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Didar Değermenci, Gökçe. "Decolorization of reactive azo dye by fenton and photo-fenton processes in aqueous solution: The influence of operating conditions, kinetics study, and performance comparison." Bulletin of the Chemical Society of Ethiopia 37, no. 1 (2022): 197–210. http://dx.doi.org/10.4314/bcse.v37i1.16.

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ABSTRACT. In this study, the effect of Fenton and photo-Fenton processes, which are advanced oxidation processes that use the hydroxyl radical for the decolorization of Novacron Black from aqueous solutions, on decolorization was investigated. Optimum levels of initial pH, temperature, hydrogen peroxide concentration, initial dyestuff concentration, and iron concentration were determined. Initial pH, Fe2+ concentration, temperature, and initial Novacron Black concentration are the most effective experimental parameters in the decolorization of Novacron Black with Fenton and photo-Fenton proces

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Yoon, J., S. Kim, D. S. Lee, and J. Huh. "Characteristics of p-chlorophenol degradation by Photo Fenton oxidation." Water Science and Technology 42, no. 3-4 (2000): 219–24. http://dx.doi.org/10.2166/wst.2000.0383.

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This study investigated the characteristics of Photo Fenton oxidation in comparison with Fenton oxidation in dark environments. The specific objective was to provide an in-depth understanding as to how the presence of UV would effect the reaction and its efficiency as compared to the Dark Fenton Oxidation. All reactions were carried out in batch mode at an initial pH of 3.5, with H2O2 in excess and iron in catalytic concentrations. The medium pressure mercury lamp (320-400 nm) was used as a UV source. The role of UV in Photo Fenton Oxidation of p-chlorophenol was found to be manyfold as compar

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NEGOESCU, Daniela, Petruța OANCEA, Adina RĂDUCAN, and Mihaela PUIU. "Degradation of Brilliant Blue FCF through photolysis, irradtion and photo-fenton processes: a comparative study." Revue Roumaine de Chimie 66, no. 3 (2021): 281–86. http://dx.doi.org/10.33224/rrch.2021.66.3.08.

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In this work we performed a comparative study regarding the performance characteristics of three photochemical treatments for Brilliant Blue degradation: photolysis (only UV radiation), irradiation in the presence of H2O2 (H2O2 /UV), photo-Fenton reaction (Fe2+/H2O2 /UV). The kinetic analysis revealed that BB degradation follows an apparent first order kinetics. The examination of the estimated rate constants and the degradation efficiencies revealed the superior performance of the photo-Fenton oxidation, which may be due an increased gain of reactive oxygen species species comparative to the

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Alonso, Fátima, Danilo Fernández Ríos, and Alberto L. Capparelli. "Metomyl photo-degradation kinetics through advanced oxidation technologies." Reportes científicos de la FACEN 11, no. 1 (2020): 10–18. http://dx.doi.org/10.18004/rcfacen.2020.11.1.10.

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Jimenez, A., G. D. Ruano, L. N. Acquaroli, et al. "KINETICS OF PHOTO-OXIDATION OF NANOSTRUCTURED POROUS SILICON." Anales AFA 25, no. 3 (2014): 116–22. http://dx.doi.org/10.31527/analesafa.2014.25.3.116.

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Ivanov, V. B., and M. A. Zhuravlev. "Kinetics of sensitised photo-oxidation of polyvinyl chloride." Polymer Photochemistry 7, no. 1 (1986): 55–64. http://dx.doi.org/10.1016/0144-2880(86)90039-4.

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Dissertations / Theses on the topic "Photo-oxidation kinetics"

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Hintz, Holger [Verfasser], and Thomas [Akademischer Betreuer] Chassé. "Photo-oxidation Kinetics of Poly-3-hexylthiophene Thin Films / Holger Hintz ; Betreuer: Thomas Chassé." Tübingen : Universitätsbibliothek Tübingen, 2012. http://d-nb.info/1162699760/34.

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Jenkin, Michael Edwin. "Kinetic and spectroscopic studies of peroxy radical reactions related to troposheric photo-oxidation chemistry." Thesis, University of East Anglia, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.280934.

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Coralli, Irene. "Analysis of chemical degradation of caffeine in aqueous solution using an advanced oxidation process: Fenton's reagent and UV radiation." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2019. http://amslaurea.unibo.it/17964/.

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The present study is aimed to analyse the degradation of caffeine in water employing an advanced oxidation process, the photo-Fenton reaction (H2O2/Fe2+/UV). Different concentrations of H2O2 and Fe2+ are used to evaluate the effects of the two reagents on the quality of the water after the reaction and on the kinetics of degradation. The quality of the water is estimated in terms of conductivity, turbidity, colour and aromaticity. These quantities were found to be not dependent on H2O2 concentrations, whereas the Fe2+ concentration affects them in a proportional way. Compared to the limits of

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Patel, Dharmesh J. "Biomimetic Studies of Oxidation Reactions by Metalloporphyrins through Ligand Effect and Kinetic Studies of Photo-Generated Porphyrin-Iron(Iv)- Oxocompound II Models." TopSCHOLAR®, 2018. https://digitalcommons.wku.edu/theses/2091.

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High-valent iron(IV)-oxo porphyrins are the central oxidizing species in hemecontaining enzymes and synthetic oxidation catalysts. Many transition metal complexes have been extensively studied as models of the ubiquitous cytochrome P450 enzymes to probe the sophisticated oxygen atom transfer (OAT) mechanism as well as to invent enzyme-like oxidation catalysts. In this work, two metalloporphyrin complexes have been successfully synthesized, and spectroscopically characterized. A new photochemical entry to porphyrin-iron(IV)-oxo derivatives, commonly referred to as compound II models, was also i

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Francois, heude Alexandre. "Kinetic modeling of the polypropylene photothermal oxidation." Phd thesis, Ecole nationale supérieure d'arts et métiers - ENSAM, 2014. http://pastel.archives-ouvertes.fr/pastel-01069008.

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Developing numerical tools for polymer lifetime prediction constitutes a promising opportunity for shortening the duration of material certification procedures in the automotive industry without decreasing their reliability. This PhD thesis aims at modeling the photothermal oxidation of isotactic polypropylene (iPP), which is responsible for the alteration of both its mechanical and aspect properties. The adopted approach consists in coupling the kinetics of photo- and thermo-oxidation reactions with physical phenomena, such as oxygen transport and UV-light attenuation in the material thicknes

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Glikman, Jean-François. "Oxydation photo-thermique des copolymeres ethylene-acetate de vinyle, ethylene-acrylate d'ethyle, ethylene-acide acrylique." Clermont-Ferrand 2, 1987. http://www.theses.fr/1987CLF21050.

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Irradiation sous vide et dans l'air. La vitesse d'apparition des produits de photooxydation depend du type de copolymere. Cinetique et mecanisme. Mise en evidence de la labilite croissante de l'atome d'hydrogene tertiaire situe en position alpha des groupes substituants quand on passe de l'acetate a l'ethylate et a l'acide. Influence de charges et de stabilisants

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Lailliau, Maxence. "Étude expérimentale et modélisation cinétique de la combustion de composés modèles de biocarburants : Détermination d'intermédiaires par spectrométrie de masse à photo-ionisation par rayonnement synchrotron." Thesis, Orléans, 2019. http://www.theses.fr/2019ORLE3096.

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Avec l’épuisement des ressources en combustible fossile, la recherche de nouveaux carburants alternatifs tels que les biocarburants produits à partir de biomasse s’est intensifiée. Une grande variété de composés peut être produite par traitement de cette biomasse. Les éthers en font partie et peuvent être utilisés comme additifs aux carburants classiques ou comme carburant. À cette fin, il faut disposer d’une meilleure connaissance de la cinétique chimique d’oxydation de ces composés qui diffèrent des carburants conventionnels par la présence d’atomes d’oxygène dans leur structure, rendant la

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Chen, Jixin. "Nanofabrication, Plasmon Enhanced Fluorescence and Photo-oxidation Kinetics of CdSe Nanoparticles." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-05-7771.

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Unconventional nanofabrication techniques; both those which have been newly developed and those under development, had brought inexpensive, facile, yet high quality means to fabricate nanostructures that have feature sizes of less than 100 nm in industry and academia. This dissertation focuses on developing unconventional fabrication techniques, building studying platforms, and studying the mechanisms behind them. The studies are divided into two main facets and four chapters. The first facet, in Chapter II and Chapter III, deals with the research and development of different nanofabrication t

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Aljawhary, Dana. "Aqueous Phase Photo-oxidation of Water Soluble Organic Compounds (WSOC): Kinetics, Mechanisms and Method Characterization." Thesis, 2013. http://hdl.handle.net/1807/35581.

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The aqueous phase photo-oxidation of water soluble organic compounds (WSOC) extracted from α-pinene ozonolysis secondary organic aerosol (SOA) was investigated using high resolution time-of-flight chemical ionization mass spectrometry (CI-ToFMS). The results have shown that WSOC get more functionalized and fragmented as the reaction proceeds. The capabilities of three reagent ions, were assessed; specifically, (H2O)nH+ ionizes organic compounds with carbon oxidation state (OSC) ≤ 1.3, whereas CH3C(O)O- and I(H2O)n- ionize highly oxygenated organics with OSC up to 4, with I(H2O)n- showing more

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Terzian, Rita. "Fundamental and applied studies in heterogeneous photocatalysis : primary radical intermediates and kinetics of photo-oxidation of creosote phenolics." Thesis, 1993. http://spectrum.library.concordia.ca/3339/1/NN84674.pdf.

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Titanium dioxide, irradiated by ultraviolet/visible light was used to mediate the photocatalyzed degradation of several methylated creosote phenolics: ortho-, meta-, and para-cresol, 2,3-, 2,4-, 2,5-, 2,6-, 3,4- and 3,5-xylenol as well as 2,3,5-trimethylphenol. Total mineralization of the phenols to CO$\sb2$ and H$\sb2$O ensues as evidenced for m-cresol, 3,4-xylenol, and 2,3,5-trimethylphenol. The photo-oxidation of methylhydroquinone and 4-methylcatechol, two intermediates detected in the photodegradation of cresols, also leads to total mineralization to CO$\sb2$. The effect of such parameter

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Books on the topic "Photo-oxidation kinetics"

1

Jenkin, Michael Edwin. Kinetic and spectroscopic studies of peroxy radical reactions related to tropospheric photo-oxidation chemistry. University of East Anglia, 1991.

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2

Harris, Stephen John. Kinetic and mechanistic studies of the hydroxyl radical initiated photo-oxidation of saturated hydrocarbons under simulated atmospheric conditions. University of Birmingham, 1988.

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Book chapters on the topic "Photo-oxidation kinetics"

1

MacCallum, J. R. "Kinetics and Mechanisms of Photo-Oxidation Processes." In Developments in Polymer Degradation—6. Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-4940-9_6.

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2

Ozen, I., and D. Uner. "Heterogeneous Photo- and Thermal Catalytic Oxidation of CO: Effects of Metal Deposition." In Reaction Kinetics and the Development and Operation of Catalytic Processes, Proceedings of the 3rd International Symposium. Elsevier, 2001. http://dx.doi.org/10.1016/s0167-2991(01)81993-5.

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3

Galloni, M. G., H. M. Adeel Sharif, A. Grainca, M. Rizwan Haider, and R. Djellabi. "Magnetic Adsorbents/Photocatalysts for Water Purification: Progress and Challenges." In Novel Materials and Water Purification. Royal Society of Chemistry, 2024. http://dx.doi.org/10.1039/9781837671663-00078.

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Photocatalysis requires the activation of photocatalytic materials by light to produce a redox system able to oxidize/reduce (in)organic pollutants. Photocatalysts in suspension form provide excellent oxidation of pollutants in water due to excellent mass transfer. However, the recovery of photocatalyst particles is challenging and costly at large scale. To solve this, numerous studies on the immobilization of photocatalysts on substrates have been reported, to avoid treatment steps or/and for better recovery of particles. This approach suffers from slow kinetics due to less mass transfer, and

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Agrawal, Pratibha S., M. K. N. Yenkie, M. G. Bhotmange, B. D. Deshpande, and S. J. Dhoble. "Degradation of Substituted Benzoic Acids Related to Structural Reactivity." In Water Pollution Sources and Purification: Challenges and Scope. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815050684122010006.

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The existence of organic acids in aqueous waste continues to be an important environmental concern because of the odor and toxicity they impart to water. The photochemical degradation of benzoic acids (BA) and some of the substituted benzoic acids (SBA), which act as environmental pollutants, are studied in the present investigation using the Advanced Oxidation Processes (AOPs) and combinations of different oxidants and UV irradiation (UV/H2O2 , UV/TiO2 , UV/ZnO, and Fe(III)- oxalate complex). The photo-oxidative degradation of these pollutants was followed by studying their concentration deca

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Montalvo-Romero, C., C. Aguilar-Ucan, T. C. Ballester-Rodríguez, R. M. Cerón-Bretón, J. G. Cerón-Bretón, and S. Oros-Ruíz. "Reactor de Fotodiscos Rotatorio (RFR) para Degradación de Contaminantes en el Agua (Paracetamol), utilizadon al TiO2-Ag y TiO2-Fe como Catalizadores." In Tópicos Selectos de Contaminación Ambiental. EPOMEX-UAC, 2025. https://doi.org/10.26359/epomex01202515.

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The presence of pharmaceutical residues in wastewater, such as amoxicillin and acetaminophen, comes from chemical industries, hospitals, and domestic waste. Acetaminophen, a widely used painkiller sold without a prescription worldwide, has been found in both wastewater and drinking water. As a result, it is important to use advanced oxidation treatment to break down this contaminant, as it is not easily biodegradable. This research aimed to degrade acetaminophen and determine the kinetic constants using a rotating photo-disk reactor with TiO2-Ag+ and TiO2-Fe++ as catalysts. A stock solution wi

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Natali, Mirco, and Andrea Sartorel. "Mechanistic investigation of light-driven catalysis for solar fuel formation." In Photochemistry. Royal Society of Chemistry, 2024. https://doi.org/10.1039/9781837676552-00373.

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Solar energy conversion into chemical fuels currently represents a viable solution to the global energy issue. In this regard, water splitting with formation of dihydrogen as an energy carrier has been usually considered as a target reaction. Due to the mechanistic complexity associated with both the oxidation (oxygen evolving reaction, OER) and reduction (hydrogen evolving reaction, HER) half-reactions, the design of active catalysts and their efficient coupling with photoactive components appear as a major target. Optical spectroscopies turn out to be key tools to monitor the photoreaction d

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Ghosh, Sangeeta, Paramita Hajra, Debasis Sariket, Debasish Ray, Swarnendu Baduri, and Chinmoy Bhattacharya. "Modifications of BiVO4 Semiconductors for Oxidation of Water and Detoxification of Organic Waste." In Innovative Nanocomposites for the Remediation and Decontamination of Wastewater. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-6684-4553-2.ch001.

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The photoelectrochemical water splitting process has a lucid and efficacious impact, which emulates the natural photosynthesis process by converting solar energy into chemical energy. The construction of a PEC system can convert H2O to H2 or CO2 to C-based fuels. To achieve artificial photosynthesis, rate-determining kinetics of the OER is regarded as a highly efficient photo-anode. BiVO4 grabbed strong attention as a photoanode in the communal of PEC. Owing to a moderate bandgap and the Earth-abundant nature of the constituents, it is considered an inexpensive n-type semiconductor for PEC H2O

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Conference papers on the topic "Photo-oxidation kinetics"

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Barro, Christophe, Frédéric Tschanz, Peter Obrecht, and Konstantinos Boulouchos. "Influence of Post-Injection Parameters on Soot Formation and Oxidation in a Common-Rail-Diesel Engine Using Multi-Color-Pyrometry." In ASME 2012 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/icef2012-92075.

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The emission trade-off between soot and NOx is an issue of major concern in automotive diesel applications. Measures need to be taken both on the engine and on the aftertreatment sides in order to optimize the engine emissions while maintaining the highest possible efficiency. It is known that post injections have a potential for exhaust soot reduction without any significant influence in the NOx emissions. However, an accurate and general rule of how to parameterize a post injection such that it provides a maximum reduction of soot emissions does not exist. Moreover, the underlying mechanisms

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Villota, Natalia, Jose M. Lomas, Sebastien Jankelevitch, and Yagmur Bengisu. "Kinetic modelling of water color changes during the sulphamethoxazole oxidation by photo-Fenton." In 15th Mediterranean Congress of Chemical Engineering (MeCCE-15). Grupo Pacífico, 2023. http://dx.doi.org/10.48158/mecce-15.t4-o-17.

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Qing, Li. "Kinetic Mechanism of Photo-catalytic Oxidation for Soluble Methylene Blue by Iron-doped TiO2." In 2012 International Conference on Computer Distributed Control and Intelligent Environmental Monitoring (CDCIEM). IEEE, 2012. http://dx.doi.org/10.1109/cdciem.2012.99.

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